Table 4 Fitting parameters for GRB 231215A (\(1 \sigma \) uncertainty)
From: Cross-calibration of GRID via correlative spectral analysis of GRBs
Model | Detector | Index(\(\alpha \)) | Index(\(\beta \)) | \(E_{\textrm{cut}}\) (\(E_{\textrm{peak}}\) for Band) | \(\dfrac{\chi ^2}{d.o.f.}\) | BIC |
|---|---|---|---|---|---|---|
PL | Combined | \({1.21}_{-0.01}^{+0.01}\) | \ | \ | \(\frac{1140.91}{469} = 2.433\) | 1165.51 |
GRID-04 | \({1.46}_{-0.02}^{+0.02}\) | \ | \ | \(\frac{374.93}{262} = 1.431\) | 386.07 | |
GBM n8, nb | \({1.18}_{-0.01}^{+0.01}\) | \ | \ | \(\frac{622.54}{206} = 3.022\) | 638.52 | |
CPL | Combined | \({0.57}_{-0.03}^{+0.03}\) | \ | \({424.9}_{-24.5}^{+26.6}\) | \(\frac{511.92}{468} = 1.094\) | 542.66 |
GRID-04 | \({0.59}_{-0.11}^{+0.11}\) | \ | \({381.0}_{-51.6}^{+63.2}\) | \(\frac{270.16}{261} = 1.035\) | 286.85 | |
GBM n8, nb | \({0.60}_{-0.04}^{+0.04}\) | \ | \({467.3}_{-90.3}^{+111.1}\) | \(\frac{233.76}{205} = 1.140\) | 255.05 | |
BAND | Combined | \ | \ | \ | \ | \ |
GRID-04 | \ | \ | \ | \ | \ | |
GBM n8, nb | \({-0.53}_{-0.05}^{+0.05}\) | \({-1.94}_{-0.20}^{+0.13}\) | \({364.1}_{-38.8}^{+45.6}\) | \(\frac{256.44}{204} = 1.127\) | 229.85 |